Installation of a high-sensitivity laser strainmeter in a tunnel in central Italy

Crescentini, Luca; Amoruso, Antonella; Visconti, Guido
August 1997
Review of Scientific Instruments;Aug1997, Vol. 68 Issue 8, p3206
Academic Journal
Describes the operation of a geophysical interferometer installed beside the Gran Sasso Tunnel on the highway connecting Rome to Teramo in Central Italy and in the vicinity of an underground laboratory for Particle Physics and Astrophysics. Description of the apparatus; Optical setup of the interferometer; Retrieval of tidal frequencies.


Related Articles

  • Laser displacement interferometers with subnanometer resolution in absolute ballistic gravimeters. Vitushkin, L.; Orlov, O.; Germak, A.; D'Agostino, G. // Measurement Techniques;Jun2012, Vol. 55 Issue 3, p221 

    This is a description of the overall structure of an absolute ballistic gravimeter in which a test object moves freely in a vacuum in the gravitational field. This system is intended for determining the acceleration of gravity using measurements of length and time intervals in the equation of...

  • Virgo Gears Up to Wait for Gravitational Waves. Feder, Toni // Physics Today;Sep2003, Vol. 56 Issue 9, p31 

    Provides information on Virgo, a detector/interferometer from Michelson-Morley, designed to examine gravitational waves. Features of the detector; Overview of gravitational waves; Plan to link gravitational wave interferometers to form a global network.

  • Development of an atom-interferometer gravity gradiometer for gravity measurement from space. Yu, N.; Kohel, J.M.; Kellogg, J.R.; Maleki, L. // Applied Physics B: Lasers & Optics;Sep2006, Vol. 84 Issue 4, p647 

    Recent progress in cold atom interferometry has lead to a new method of sensitive inertial sensing. Significant performance enhancement of cold atom interferometer-based sensors is anticipated when operated in the microgravity environment in space. Based on cold atom interferometer techniques,...

  • The Application of Raman Laser in Gravity Measurement and Metrology. Ning Ru; Li Zhang; Yu Wang; Shangchun Fan // AIP Conference Proceedings;2014, Vol. 1600, p164 

    Atom Interferometry is proved to be a potential method for measuring the acceleration of atoms due to Gravity, we are now building a feasible system of cold atom gravimeter, it is based on the atom interferometry technology by coherently manipulating the cold atoms in a fountain (with a height...

  • Limits to the sensitivity of a low noise compact atomic gravimeter. Le Gouët, J.; Mehlstäubler, T. E.; S. Kim; Merlet, S.; Clairon, A.; Landragin, A.; Dos Santos, F. Pereira // Applied Physics B: Lasers & Optics;Aug2008, Vol. 92 Issue 2, p133 

    A detailed analysis of the most relevant sources of phase noise in an atomic interferometer is carried out, both theoretically and experimentally. Even a short interrogation time of 100 ms allows our cold atom gravimeter to reach an excellent short term sensitivity to acceleration of...

  • Satellite Measurement of Stratospheric Winds and Ozone Using Doppler Michelson Interferometry. Part I: Instrument Model and Measurement Simulation. Rahnama, Peyman; Rochon, Yves J.; McDade, Ian C.; Shepherd, Gordon G.; Gault, William A.; Scott, Alan // Journal of Atmospheric & Oceanic Technology;Jun2006, Vol. 23 Issue 6, p753 

    This paper presents an instrument model and observation simulations for the measurement of stratospheric winds and ozone concentration using a satellite instrument employing imaging and the Doppler Michelson interferometery technique. The measurement technique and instrument concept are...

  • Measurement of gravitational acceleration by dropping atoms. Peters, Achim; Keng Yeow Chung; Chu, Steven // Nature;8/26/1999, Vol. 400 Issue 6747, p849 

    Presents research using an atom interferometer based on a fountain of laser-cooled atoms to measure `g,' the acceleration of gravity. Achievement of an absolute uncertainty representing a million-fold increase in absolute accuracy; Comparison of the measurement with the value of g obtained at...

  • The in-flight blackbody calibration system for the GLORIA interferometer on board an airborne research platform. Olschewski, F.; Ebersoldt, A.; Friedl-Vallon, F.; Gutschwager, B.; Hollandt, J.; Kleinert, A.; Monte, C.; Piesch, C.; Preusse, P.; Rolf, C.; Steffens, P.; Koppmann, R. // Atmospheric Measurement Techniques;2013, Vol. 6 Issue 11, p3067 

    The Gimballed Limb Observer for Radiance Imaging of the Atmosphere (GLORIA) is a prototype of an imaging Fourier Transform Spectrometer (FTS) for PREMIER, a former candidate mission for ESA's Earth Explorer 7. GLORIA is deployed on board various research aircraft such as the Russian M55...

  • Transport Properties of a GaAs/AlGaAs Ring Interferometer in the Tunneling Regime. Bykov, A. A.; Baksheev, D. G.; Litvin, L. V.; Migal’, V. P.; Ol’shanetskiı, E. B.; Cassé, M.; Maude, D. K.; Portal, J. C. // JETP Letters;5/25/2000, Vol. 71 Issue 10, p434 

    The transport properties of GaAs/AlGaAs submicron rings with split gates in the conditions corresponding to the ring resistance R[sub SD] > h/e[sup 2] are studied. Oscillations of R[sub SD] as a function of the gate voltage V[sub G] are experimentally observed. The oscillations are caused by the...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics